US2578209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making molds for electrotypes
Assignee: Art Electrotype Co
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Filing: 1949-11-30
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Granted: 1951-12-11
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Expires: 1969-11-30
Abstract
No abstract record available.
Inventors
- 👤 Howard G Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:08
CPC Classifications
B; B41; B41C; B41C3/00; B41C3/08; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10S425/00; Y10S425/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |